diff --git a/Gemfile.lock b/Gemfile.lock
index 40f6a3c..06f8e38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
     coderay (1.1.3)
     colorize (0.8.1)
     concurrent-ruby (1.1.6)
-    diff-lcs (1.3)
+    diff-lcs (1.4.1)
     docile (1.3.2)
     faraday (1.0.1)
       multipart-post (>= 1.2, < 3)